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Regulator-posted notice

Breach notice filed by Three Rivers Provider Network (December 2022)

Organization named: Three Rivers Provider Network Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Hacking/IT Incident

What the sources say

HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice

Posted on the HHS Office for Civil Rights breach portal with a submission date of Dec. 19, 2022.

Organization as reported
Three Rivers Provider Network, CA
Entity type as reported
Business Associate
Category as reported
Hacking/IT Incident
Location of information as reported
Email
Submission date
Dec. 19, 2022
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 10997, row:2136)
Archived copy
Held in the private archive (provenance)

The business associate (BA), Three Rivers Provider Network, reported that an employee was the subject of an email phishing scheme that compromised the protected health information (PHI) of 4,725 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, claims information, health insurance information, diagnoses, medications, and other treatment information. The BA notified HHS, affected individuals, and the media. In response to the breach, the BA implemented additional administrative and technical safeguards and retrained its staff.

The source's own words, from the revision above.

Figures, per source

  • 4,725 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date Dec. 19, 2022, revision observed 2026-10-18.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

  • Submission date (HHS Office for Civil Rights breach portal)
  • Observed by BreachRecords (revision 10997)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Three Rivers Provider Network Named as a service provider Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

  • 3dbc27dd5742e041cc1e7fe18cc669e2901fbd3b86b7007ed27948ff4d406e1f
    text/csv, 5,530,996 bytes, retrieved from HHS Office for Civil Rights breach portal, 2026-10-18 16:15 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

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